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Science News Archive 2021 - Page 247


Page 247 of 510

Statin therapy not associated with cognitive decline, dementia in older adults, study says

A new study found that statin therapy is not associated with an increased risk of cognitive decline and dementia in older adults. Researchers analyzed data from the ASPirin in Reducing Events in the Elderly trial and found no significant difference in the incidence of dementia and mild cognitive impairment between statin users and non-...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateJun 21, 2021

COVID-19-related multisystem inflammatory syndrome in adults: rare but possible

A case of multisystem inflammatory syndrome in an adult who recovered from COVID-19 is reported, highlighting the importance of considering this rare but possible complication. Prompt treatment helped recover the patient. The authors suggest encouraging reporting of cases to facilitate research and improve outcomes.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 21, 2021

Indigenous people travel long distances to give birth compared with non-Indigenous people

A new study published in CMAJ found that Indigenous mothers are 23% more likely to travel 200 km or more to give birth compared to non-Indigenous women. The disparity is attributed to a lack of birthing facilities and providers near rural Indigenous communities, reflecting colonial policies prioritizing non-Indigenous settlements.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJun 21, 2021

Solar energy collectors grown from seeds

Rice University engineers have developed a method to grow remarkably uniform 2D perovskite crystals using microscopic seeds. This breakthrough addresses production issues and enables the creation of highly efficient photovoltaic devices with stable performance.

SourceRice University·JournalAdvanced Materials·DateJun 21, 2021

'Flashed' nanodiamonds are just a phase

Researchers develop method to control flash Joule heating process to produce valuable allotropes, including fluorinated nanodiamonds and graphene. The process uses organic fluorine compounds and fluoride precursors to create the desired structures.

SourceRice University·JournalACS Nano·DateJun 21, 2021

There's no cheating old age

A recent study found that life expectancy and lifespan equality in humans and non-human primates are not driven by aging rate, but by early life mortality rates. The researchers analyzed data from nine human populations and 30 non-human primate groups, revealing a strong relationship between early-life deaths and population aging.

Summer catch-up programs need to focus on teens' wellbeing, not just academic progress

Researchers found that social connections with friends and family, as well as emotional closeness with parents, significantly impacted young people's mental health during lockdown. The study highlights the need for summer holiday programs to prioritize wellbeing support and increase funding for child and adolescent mental health services.

SourceUniversity of Bath·JournalJournal of Affective Disorders·DateJun 21, 2021

Creating cooler cities

Cities experience higher temperatures than surrounding rural areas due to the Urban Heat Island (UHI) effect, caused by urban infrastructure absorbing heat. Researchers propose applying cooler surfaces to strategic locations to decrease cost and increase usage, offering an effective solution for resilient and sustainable infrastructure.

SourceUniversity of Pittsburgh·JournalNature Communications·DateJun 21, 2021